The Earth's crust is a dynamic and evolving structure, a fact which is evident when earthquakes hit and volcanoes erupt. For years scientists struggled to understand the Earth's movement. Then in 1915, Alfred Wegener published his now famous book "The Origins of Continents and Oceans," which presented the theory of continental drift. His theory was slammed by mainstream scientists at the time, but by the late 1960s, his theory was thoroughly accepted. It laid the groundwork for the modern day...
